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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201704754
|2 doi
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|a pubmed24n0929.xml
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|a (DE-627)NLM278924158
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|a (NLM)29227556
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zang, Xining
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Titanium Disulfide Coated Carbon Nanotube Hybrid Electrodes Enable High Energy Density Symmetric Pseudocapacitors
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 01.08.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a While electrochemical supercapacitors often show high power density and long operation lifetimes, they are plagued by limited energy density. Pseudocapacitive materials, in contrast, operate by fast surface redox reactions and are shown to enhance energy storage of supercapacitors. Furthermore, several reported systems exhibit high capacitance but restricted electrochemical voltage windows, usually no more than 1 V in aqueous electrolytes. Here, it is demonstrated that vertically aligned carbon nanotubes (VACNTs) with uniformly coated, pseudocapacitive titanium disulfide (TiS2 ) composite electrodes can extend the stable working range to over 3 V to achieve a high capacitance of 195 F g-1 in an Li-rich electrolyte. A symmetric cell demonstrates an energy density of 60.9 Wh kg-1 -the highest among symmetric pseudocapacitors using metal oxides, conducting polymers, 2D transition metal carbides (MXene), and other transition metal dichalcogenides. Nanostructures prepared by an atomic layer deposition/sulfurization process facilitate ion transportation and surface reactions to result in a high power density of 1250 W kg-1 with stable operation over 10 000 cycles. A flexible solid-state supercapacitor prepared by transferring the TiS2 -VACNT composite film onto Kapton tape is demonstrated to power a 2.2 V light emitting diode (LED) for 1 min
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4 |
|a Journal Article
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4 |
|a atomic layer deposition (ALD)
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4 |
|a high energy density storage
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4 |
|a titanium sulfides
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| 650 |
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4 |
|a transition metal dichalcogenides (TMDC)
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| 650 |
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4 |
|a vertically aligned carbon nanotubes (VACNTs)
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| 700 |
1 |
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|a Shen, Caiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kao, Emmeline
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Warren, Roseanne
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ruopeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Teh, Kwok Siong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhong, Junwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Minsong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Buxuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sanghadasa, Mohan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schwartzberg, Adam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Liwei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 5 vom: 22. Feb.
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:5
|g day:22
|g month:02
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|u http://dx.doi.org/10.1002/adma.201704754
|3 Volltext
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|d 30
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